:root {
  --chalk: #F3EFE6;
  --steel: #1C2430;
  --brass: #B08A3E;
  --verdigris: #3F6B73;
  --snap: #C45A3A;
  --display: "Fraunces", "Iowan Old Style", Palatino, Georgia, serif;
  --body: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  --rail: 4.5rem;
  --measure: 38rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  background: var(--chalk);
  color: var(--steel);
}

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  grid-template-columns: var(--rail) minmax(0, 1fr);
  font-family: var(--body);
  font-size: 1.0625rem;
  line-height: 1.7;
  font-weight: 400;
}

.skip {
  position: absolute;
  left: -999px;
  top: 0.75rem;
  z-index: 8;
  padding: 0.4rem 0.7rem;
  background: var(--steel);
  color: var(--chalk);
}

.skip:focus {
  left: calc(var(--rail) + 0.75rem);
}

.plumb {
  position: sticky;
  top: 0;
  align-self: start;
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1.25rem 0 1.5rem;
}

.plumb__pin {
  width: 1.35rem;
  height: 0.35rem;
  background: var(--brass);
  border-radius: 1px 1px 40% 40%;
  flex: 0 0 auto;
}

.plumb__string {
  width: 1.5px;
  flex: 1 1 auto;
  background: linear-gradient(to bottom, var(--snap), var(--steel) 88%);
}

.plumb__bob {
  width: 1.15rem;
  height: 1.75rem;
  flex: 0 0 auto;
  margin-top: -1px;
  display: block;
}

.field {
  padding: 1.6rem 1.35rem 4rem;
  max-width: calc(var(--measure) + 2.7rem);
}

.mast {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  margin-bottom: 2.75rem;
}

.mark {
  font-family: var(--display);
  font-size: 1.35rem;
  font-weight: 600;
  font-optical-sizing: auto;
  letter-spacing: -0.02em;
  color: var(--steel);
  text-decoration: none;
}

.mark:hover {
  color: var(--brass);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.15rem;
}

.nav a {
  color: var(--verdigris);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--steel);
  border-bottom-color: var(--brass);
}

h1,
h2 {
  font-family: var(--display);
  font-optical-sizing: auto;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.18;
}

h1 {
  margin: 0 0 0.85rem;
  font-size: clamp(2rem, 5vw, 3.15rem);
}

h2 {
  margin: 2rem 0 0.7rem;
  font-size: 1.45rem;
}

.lede {
  margin: 0 0 1.6rem;
  font-family: var(--display);
  font-style: italic;
  font-weight: 400;
  font-size: 1.2rem;
  line-height: 1.45;
  color: var(--verdigris);
}

.essay p,
.essay li {
  max-width: 62ch;
}

.essay p {
  margin: 0 0 1.05rem;
}

.essay ul,
.essay ol {
  margin: 0 0 1.15rem;
  padding-left: 1.2rem;
}

.essay li + li {
  margin-top: 0.4rem;
}

a {
  color: var(--verdigris);
}

a:hover {
  color: var(--snap);
}

a:focus-visible,
.nav a:focus-visible,
.mark:focus-visible,
.hang a:focus-visible {
  outline: 2px solid var(--brass);
  outline-offset: 3px;
}

.hang {
  list-style: none;
  margin: 2.4rem 0 0;
  padding: 0;
}

.hang li {
  position: relative;
  padding: 1.15rem 0 1.35rem 1.4rem;
}

.hang li + li {
  border-top: 1px dashed color-mix(in srgb, var(--steel) 18%, transparent);
}

.hang li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.7rem;
  width: 0.85rem;
  height: 1px;
  background: var(--brass);
}

.hang a {
  text-decoration: none;
  color: inherit;
}

.hang a:hover h2 {
  color: var(--snap);
}

.hang h2 {
  margin: 0 0 0.35rem;
  font-size: 1.35rem;
}

.hang p {
  margin: 0;
  color: color-mix(in srgb, var(--steel) 78%, var(--chalk));
}

.limits {
  margin: 2.8rem 0 0;
  padding: 1.1rem 0 0;
  border-top: 1px solid color-mix(in srgb, var(--steel) 16%, transparent);
}

.limits p {
  margin: 0;
  max-width: 58ch;
  font-size: 0.95rem;
}

.colophon {
  margin-top: 3.5rem;
  padding-top: 1.4rem;
  border-top: 1px solid color-mix(in srgb, var(--steel) 16%, transparent);
  font-size: 0.92rem;
}

.colophon nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1rem;
  margin-bottom: 1rem;
}

.colophon p {
  margin: 0 0 0.4rem;
  max-width: 58ch;
  color: color-mix(in srgb, var(--steel) 72%, var(--chalk));
}

@media (min-width: 720px) {
  :root {
    --rail: 5.5rem;
  }

  .field {
    padding: 2.2rem 2.4rem 5rem;
  }
}

@media (max-width: 520px) {
  :root {
    --rail: 2.75rem;
  }

  body {
    font-size: 1rem;
  }

  .plumb__bob {
    width: 0.95rem;
    height: 1.45rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
  }
}